diff --git a/Yesod/Helpers/Auth.hs b/Yesod/Helpers/Auth.hs
index 898e6f4b..43043fe6 100644
--- a/Yesod/Helpers/Auth.hs
+++ b/Yesod/Helpers/Auth.hs
@@ -4,18 +4,20 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE RankNTypes #-}
 module Yesod.Helpers.Auth
-    ( Auth
+    ( -- * Subsite
+      Auth
     , AuthPlugin (..)
     , AuthRoute (..)
     , getAuth
-    , Creds (..)
     , YesodAuth (..)
+      -- * Plugin interface
+    , Creds (..)
     , setCreds
+      -- * User functions
     , maybeAuthId
     , maybeAuth
     , requireAuthId
     , requireAuth
-    , authDummy
     ) where
 
 import Yesod
@@ -81,6 +83,7 @@ mkYesodSub "Auth"
 credsKey :: String
 credsKey = "_ID"
 
+-- | FIXME: won't show up till redirect
 setCreds :: YesodAuth m => Bool -> Creds m -> GHandler s m ()
 setCreds doRedirects creds = do
     y <- getYesod
@@ -189,20 +192,3 @@ redirectLogin = do
     case authRoute y of
         Just z -> redirect RedirectTemporary z
         Nothing -> permissionDenied "Please configure authRoute"
-
-authDummy :: YesodAuth m => AuthPlugin m
-authDummy =
-    AuthPlugin "dummy" dispatch login
-  where
-    dispatch "POST" [] = do
-        ident <- runFormPost' $ stringInput "ident"
-        setCreds True $ Creds "dummy" ident []
-    dispatch _ _ = notFound
-    url = PluginR "dummy" []
-    login authToMaster = do
-        addBody [$hamlet|
-%form!method=post!action=@authToMaster.url@
-    Your new identifier is: $
-    %input!type=text!name=ident
-    %input!type=submit!value="Dummy Login"
-|]
diff --git a/Yesod/Helpers/Auth/Dummy.hs b/Yesod/Helpers/Auth/Dummy.hs
new file mode 100644
index 00000000..1cbde6be
--- /dev/null
+++ b/Yesod/Helpers/Auth/Dummy.hs
@@ -0,0 +1,27 @@
+{-# LANGUAGE QuasiQuotes #-}
+-- | Provides a dummy authentication module that simply lets a user specify
+-- his/her identifier. This is not intended for real world use, just for
+-- testing.
+module Yesod.Helpers.Auth.Dummy
+    ( authDummy
+    ) where
+
+import Yesod
+import Yesod.Helpers.Auth
+
+authDummy :: YesodAuth m => AuthPlugin m
+authDummy =
+    AuthPlugin "dummy" dispatch login
+  where
+    dispatch "POST" [] = do
+        ident <- runFormPost' $ stringInput "ident"
+        setCreds True $ Creds "dummy" ident []
+    dispatch _ _ = notFound
+    url = PluginR "dummy" []
+    login authToMaster = do
+        addBody [$hamlet|
+%form!method=post!action=@authToMaster.url@
+    Your new identifier is: $
+    %input!type=text!name=ident
+    %input!type=submit!value="Dummy Login"
+|]
diff --git a/yesod-auth.cabal b/yesod-auth.cabal
index 9e20d17d..f47b04b3 100644
--- a/yesod-auth.cabal
+++ b/yesod-auth.cabal
@@ -26,6 +26,7 @@ library
                    , blaze-builder           >= 0.1       && < 0.2
                    , mime-mail               >= 0.0       && < 0.1
     exposed-modules: Yesod.Helpers.Auth
+                     Yesod.Helpers.Auth.Dummy
                      Yesod.Helpers.Auth.Email
                      Yesod.Helpers.Auth.Facebook
                      Yesod.Helpers.Auth.OpenId